DOTA 2 beta becoming more popular than Skyrim, Counter-Strike on Steam

Despite still being in only a beta, DOTA 2 is becoming even more popular than Counter-Strike 1.6/Source or The Elder Scrolls V: Skyrim, according to PC Gamer. While CS 1.6 and Source hold their own on US peak times, DOTA 2's beta overtakes the two during downtime hours, indicating a more international audience for the title.

More at the link. There's pretty graphs there too.